Improve text for accessibles

Change-Id: I0301ed0403b56169e610cf1c38a1e5da39ee164f
Reviewed-by: Andras Becsi <andras.becsi@digia.com>
Fix the indexOfChild function for the web document

Change-Id: I37a32bd5dd8760bc91173968a620a1932ae67b4e
Reviewed-by: Andras Becsi <andras.becsi@digia.com>